列举几种先天性免疫缺陷动物。_爱下问搜题

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问题问答题简答题

列举几种先天性免疫缺陷动物。

答案

参考答案：（1）T淋巴细胞功能缺陷动物：裸大鼠，裸小鼠。
（2）B淋巴细胞功能缺陷动物：性连锁免疫缺陷小鼠（CBA/N小鼠），Arabin马，Quarter马。
（3）NK细胞功能缺陷动物：Beige小鼠。
（4）联合免疫缺陷动物：SCID小鼠、Motheaten小鼠、三联免疫缺陷小鼠。
（5）其它免疫缺陷动物：显半肢畸形（无脾小鼠）。

完形填空

One Saturday morning, John and his mother went   31   a shoe shop    3
John a pair of new shoes. Mrs. Lee put her bag on a chair    33  she
looked at some shoes. She could not see    34 she liked and went away.
Suddenly(突然) she said, “Oh, my bag, someone    35   it away!” All the
other people in the shop stopped    36   and looked at her. John ran after
the man at once(立刻). A few minutes    37  , John came back with 38 .
He    39   it to his mother. She opened the bag and had a look in    40.
Then she said,“ Oh, god, nothing is lost.”

单项选择题

“泰西各国，一切政事皆无足取法，唯武备则力讲求，武备也无足取法，唯船坚炮利四字则精益求精。”这一论述属于（）

A.洋务派的观点

B.维新派的观点

C.顽固派的观点

D.立宪派的观点